
/*
 * utc转北京时间
 */
export function utctobeijing(utc_datetime, type = ".000Z") {
    // 转为正常的时间格式 年-月-日 时:分:秒
    let T_pos = utc_datetime.indexOf("T");
    let Z_pos = utc_datetime.indexOf(type);
    let year_month_day = utc_datetime.substr(0, T_pos);
    let hour_minute_second = utc_datetime.substr(
        T_pos + 1,
        Z_pos - T_pos - 1
    );
    let new_datetime = year_month_day + " " + hour_minute_second;

    // 处理成为时间戳
    let timestamp = new Date(new_datetime.replace(/-/g, "/")).getTime();
    timestamp = timestamp / 1000;
    // 增加8个小时，北京时间比utc时间多八个时区
    timestamp = timestamp + 8 * 60 * 60;

    // 时间戳转为时间
    let date = new Date(parseInt(timestamp) * 1000);
    let YY = date.getFullYear() + "-";
    let MM =
        (date.getMonth() + 1 < 10
            ? "0" + (date.getMonth() + 1)
            : date.getMonth() + 1) + "-";
    let DD = date.getDate() < 10 ? "0" + date.getDate() : date.getDate();
    let hh =
        (date.getHours() < 10 ? "0" + date.getHours() : date.getHours()) + ":";
    let mm =
        (date.getMinutes() < 10 ? "0" + date.getMinutes() : date.getMinutes()) +
        ":";
    let ss =
        date.getSeconds() < 10 ? "0" + date.getSeconds() : date.getSeconds();
    return YY + MM + DD + " " + hh + mm + ss;
}